| Abbreviation | Definition |
|---|---|
| ETRR | Educational Technology Resource Room |
| ETS | Educational Talent Search |
| ETS | Educational Technology Services |
| ETS | English Tertiary Studies |
| ETS | European Training Strategy |
| ETS | Extreme Training Support |
| ETSI | Education And Training Systems International |
| ETSI | Education Through Student Interaction |
| ETSIP | Education and Training Sector Improvement Plan |
| ETSIP | Education and Training Sector Improvement Programme |
| ETSS | Educational Technology Standards Scale |
| ETSSA | Economics Teachers Society of South Australia |
| ETT | Elementary Teachers of Toronto |
| ETT | Empowering the Teachers |
| ETT | Example Trainer Tester |
| ETTA | Engineering and Technology Teachers Association |
| ETTC | Educational Technology Training Centers |
| ETTC | Ethics Teachers Training Courses |
| ETTCs | Educational Technology Training Centers |
| ETTE | Education Training and Tertiary Education |